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Dyddiadur mapryan

Historical view of openstreetmap

Postiwyd gan mapryan ar 12 Mawrth 2013 yn English

All

Does anyone know if there’s a way to see a historical view of Openstreetmap? ie, for a given area, can I see how it looked in OSM 6 months ago compared to how it looks now?

Cheers

Mike

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Trafodaeth

Sylwadau gan Jonathan Bennett ar 12 Mawrth 2013 am 15:40

It’s possible, but not easy. You can download old planet files, but you’d have to extract the area you’re interested in, then render it, then compare it with what’s currently there.

Remember that you’d only be comparing what had been mapped then versus now – it’s not necessarily a record of how an area itself has changed.

Sylwadau gan stephan75 ar 12 Mawrth 2013 am 19:05

Only found in the OSM wiki:

osm.wiki/Historical_Coverage

But out of date?

Sylwadau gan Vincent de Phily ar 13 Mawrth 2013 am 11:42

A further complication is that the rendering style changes, tags get deprecated and removed from renderer’s config, etc. So even with Jonathan’s hypothetical tool, you’d be rendering yesterday’s data with today’s style. Still, would be cool to have :)

That said, have a look at http://owl.apis.dev.openstreetmap.org/ : you’ll see recent changes in an area and can even see the old geometry by hovering your cursor over an item’s “back arrow” icon.

Sylwadau gan mapryan ar 13 Mawrth 2013 am 12:00

Thanks guys. Obviously not as easy a question as I thought

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